1) Latin boy name 
[exarch] Eleutherius (died 620) was Exarch of Ravenna (615–619). A eunuch, he succeeded John I as exarch. Early in his reign, nearly the entire exarchate was unstable. In Ravenna, there was obvious discontent with the Byzantines; in Naples, a certain John of Conza, separated the city from the exarch`s control. Eleutherius arrived in Raven...
(from the article `Boniface V`) pope from 619 to 625. He succeeded St. Deusdedit after the papacy had been vacant for more than a year and was faced with the task of organizing an ...
pope a.d. 175–189.